iPutet reel | \~ eee NATIONAL AEROSPACE STANDARD Association {2 corman19524EROSPACE MOUSE ABOGKTON OF AMENICA NG ALL HTS RESERVED STANDARD oAAWNOS FOR THE WENO CATER Than 8% MONTHS Tits onawoua SUPERSEDES ALL aNTECeoENT Shin Pmooucy AnD SeALL BECOME Eeeaeh hoa THE LAST ORTE OF MPOROVAC SHOW HOMES FE SOF OAS ® FASTENER - RECOMMENDED SHANK, MOLE AND HEAD-TO-SHANK FILLET RADIUS LIMITS FOR Tne, scope of this standard dea Such fantenera. Te ta ther fo the producers and consumers of cylindrical # greater’ degree of standerdization of of aimiar products The shank diameters, fillet radii and limite he resuleant fits The tooling. gages, ete. to produce the products drills, The interchange of Artmoush economic benefit can be achieved in this particular ail possible requirenenta vhich may exist for cylinerical shape Jf applicable, “Rovever, its use is to be encouraged. The hole size and fillet radius portion of this standard should be eepecislly considered “recommended practace” ea it is each Company's prerogative to determine a convenient change period for incorporstion of ali the date oF REAFFIRMED JUNE 30, 1992 APPROVAL OKTE. SIMARCH IE revision @ 16.UNE 1958 © 30 dune 1986 Serer‘ fe geteraag = corres fly, Gul ai pile ue ERE Hn ® ier oF comane? sare ae | : 7: } 5 3 i i : 5 i sro NATIONAL AEROSPACE STANDARDS COMMITTEE . ——4 _ oe aS : : pean Sano (AND HEAD-TO-SHANK FILLET RADIUS LIMITS FOR NAS 618 rer oF BERGE praneunce ueoN Ts pocuMeNT of A waTIONAL AEROSPACE STANCARO & exTIELY VOLUNTARY AlA GOES NOT QUALIRY suppueRS Om ‘SETI CONFORMANCE Or IT PRODUCED UNSER NATIONAL AERERIGES ADA A USS ES TAB At ORES NOT UAL SUPPLIERS O8 "HE SUTABLITY O EMD FON ANY PARTICULAR APPUCATION Of Gh The SisTENCS OF OM APN CABTETY HERESY SLAP NFACATION OF AaEmCA Bic, ¢een ne anna ‘AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC, 1725 DE SALES STREET, MW. WASHINGTON, D.C. 20038 {©.COPYPEGIT 106 AEROSPACE INOUSTIES ASSOCIATION OF AMERICA, IN. ALL NHTS RESERVED 2 (Oy "Camits are met after plating. (2) The seiection of Column A, B or C for an item should consider ite potential end usage in holes Fecommended.on Sheet 3. @ (>) for sizes 5000 and eadlier, ene maximum shank diameter for all classes is equal to maximum major Ghaneter of thread minus 0005 and/or equal. to minimus bere aiamecer vr the maximum shank’ diameter for all clasces ie equal to maximus major w Eraceice of sgerptita oles sade tober Delo bain. wing threads, grooves, etc.) ing threads? The Maximum melor Gianeter of threads shall be -00i lese than the minimun shank’ dlaseber” Goegideration should aiso be given this point for interchangeable use of different iteas. Example: A threaded iten may be used interchangeably vith « grooved teem providing the and portien conne Snserted in the intended hole without interference. column A represents close Linite of precision manufacturing ee unplated portion for use as journals vhere galling of plating is "detrimental. Te plate portion for use where added corrosion protection is needed. 2, Sonnection having a minimum clearance. Example: Shear and reversing eheay load seanect seiucture, ‘hinge Brackets, Dearing, ete GColuan B repretents controlled limits of manufacturing. nce OF combination of interference Clearance, “Exaaple: shear, Coluan ¢ represente general purpose limite of manufacturing. OSHS, seneral purpose Limite are recommended for items vhich vhen coup Jimita wi" produce connections havang clearinces Sf varying deg NAS 618 AApeROVALOnTE MARCH 1958 REWaION @) 16 JUNE 1958 @ 30 June 1966 SHEET 2 HEEOF 08 Re aaNce Uron Ts DOCAMENT OF ANY NATIONAL AEROSPACE STANGARD EXTIAELY VOLUNTARY MA DOES NOT GIMP On eae Drees agucte UNDER ARONA. amar Ak east Tarn on Sua Weeeec non "THE SUTABITY OF ENE Fon AN PARTISAN APPCATION. ONC) THE BUSTENCY OF OX APPLICA TP TTEREER AT Sm SHAN PETG‘staxoaso onawnmas Fon THe EFFECTIVE RO LATER THA 90 NOMTES FAO THE LAST OATE OF APPROVAL SHOWN HEREC ‘is ORWIG SurERSEDES ALL ANTECEDENT Shite Pmoouer anb SHA Becowe NATIONAL AEROSPACE STA STANDARD [AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, STREET, NW, WASHINGTON, 0.¢. 20008 {©.COPrMH itt AEROSPACE NOUSTRIES ASSOCIATION OF AMERICA ING ALL RIGKTS RESERVED ® owe vanes ngeroat wee e Sn ct perce tn 06: tlerance be the nena hele ise. Tie ‘by the" individual” conpanier aad Sacerserated At erally £€ se not specified oh the etavias’ jSomiien Brine Hae"siesetioes” iain Snteeteregee, it ‘slno avenina sank diamevers wit proce f beme which ven coupled vith general purpose shank diameters ‘TaZying cesses Columo F and © represent controlled linite of manufacturing. TINY states paspove holes are recommend SID pfeaice'sPecunaceten having’ cheartnce ETESSetice'S'2Ssce cer Sotepgene dor steer eben shen, cow NAS 618 SHEET 3 OF OR ELANCE UPON TH DOCNENT OF Av” NATIONAL AEROSPACE STAnGARO @ BuTnGsr VOLUNTARY hi DOES NOT GLAU SUPOLERG OR Tr erirouin eh smGDsoeD UNSER NATIORAG HEREROAES ET ANORnS ks BAI CO SA TOS A DOES NOY CLALIEY SUPPLE ‘ine Sari oF tus Fom anv sannicucan APPLICATION OR in TE ENETENGL Gr Ok OP ARE HERES TSAR NE TANNER ED ah APPROVAL DATE ARCH 1956 REGION @) 15 DEC 1956 @) 15 FEB 1950NATIONAL AEROSPACE STANDARD: ‘AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC, 1725 DE GALES STREET, KW, WASHINGTON, D.C. 20008 {©.COPYRGNT 190 AEROSPACE MOUSTIES ASSOCATION OF AMERICA NC ALL RTS RESEAVED EBEeRper 207 — ne uerearranes 17 ats ® _ HEe ale =a FI = wont | piamren | Din. [ere vrmm suum Sau | Cetin] Din ["suon| bia. | sur tien [ar te fn FER] ck] SE |e Se oso | ue | sxs[ Gu] si [eee] aes 33 | ts 388 | Rs 8 ove | 8 | eR [ one] cae | ee [-ea[ cae [oe [ome | ae se | 33 5 voce { <3] ame] ee | e| aw [nm [its [ate ae fea] | |g same | HS MESISEB| 38 [ess iiie] oi eee [ia [ans [eas [as eae] at | | ose [EE Peatefiste] ese | coaeltames| se [esas eae [aa fea [ane [at car | | 8 BE) [oome | ER [sisi] ms | asia] ge female [ane eas [ame Pea] oa | | £ BF | Cos [a feselissel ame [skags] ame fears ee [oe ferme Pio an] | = L ? Ht * Baeey arma | 2 Hy * SRE Stadt Rng pre ” i ik ” SRE SETET™ [2 7 iw 8 Fe Oa ° pas ig * EPR’ in * BER Pahmrenas mena | © ui a i ¥ a Aapeu, NAS 618 SHEET 4 | OF OR RELARCE UPON Ts DOGMENT OR Air NATONNS AEROSOACE STANDARD © EXTRELY VOLUNTARY aia DOESNOT QUALIFY Su RRS OF MO OueeeS NDGA ANTENA KERRIES Ge A wea A ROEE NOY UY SUPELETS OF ee eae HO ‘TRE Sura mY OF MS FO ANY PARTICULAR BPDOCATON OR ETENCE OF OR APR ERS PP MEMES SEEN A SeaeeE AEDENT STANDARO ORAWNGS FOR THE Becowe ErreCtWE NO TATEN Tan Sx Sees "AnD SAL ‘surenseoes au. anréce Row THE LAT DATE O* APPROVAL SHOWN HERES ais orawnna oie NATIONAL AEROSPACE STANDARD ‘AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC, 1725 DESALES STREET, MMW, WASHINGTON, 0.¢. 20006 {©-coprmanT te AEROSPACE NOUETRES ASSOCIATION OF AMERICA, INC. AL MTS RESERVED @ mare swan tintrs ~ .01s6 nw .0312 oversize OAS OES a OTR Mf — soe @ “OIF oaeasize || wommms oveesice coura | coum | Sterna ‘saan Becta” | coum | cone z t Bo. DAMETER eau. z ? ag ory Taso a5 = = -fo2 2031 2900 one ead 2651 265 2686 2800 202 +2807 Boat ER 89 3376 20 aaa 3037 382 328 30 3902 3906 3750 4062 4087 4057 S388 0 8 -s526 esa 4395 487 4092 asez cei a ie sist S81 sas6 5000 sma 7397 $907 cers 5138 333 5282 7m 5027 Ba 578 seas 5997 3b 188 6406 8280 osez 768 7686 7800 7032 21s 2.0186 2.0000 3.082 ose 2.2396 2.406 a.azse nase Rass iis rHS 2.2646 2.2686 2.2800 1.202 2.2402 YB ine 2eaaae 2.3806 2.3750 2.4062 14082 2suss sass 2.5000 asa a.saoa ra _l LEG NOTES: (1) Limite are met after plating. (2) The selection of colum J, L, R or T for an item should consider its Potential end ueage in holes’ recommended on sheet’ ¢: (2) For eines .2300 and larger, oversize thank Limits are obtained by sading @ jO2S6 and .0312 to the plated shank diameter limits in columns A and B inthe" Stn on anece'2" “ror Slten “iene ane snass, acon 8 2a oversize shank claneters are’ ogual"to island! ¢hqtttomue Lets, Bite the topropeisce ovecaie Tatresent eitat “osde take ™gsreS Plated snask Glanetere are. fgund by serecting® placed thant Sal eranc Shove in Goluana a and Bin‘ the eebue'os'aseet™s? (4) tp recognition of some companies’ practice of accepting holes {foi sndersize, ‘the end vitch enters the hole fiese {even oe ehrease, ete @ (6) cotuane J and n represent close Linits of precision manufacturing. see sheet 2 for recommended uasge, (6) splumme & and represent controlled linite of manufacturing. see sheet 2 @ for recommended usage. (7) For watvage or rework, select 4 fit ae similar to the original installation as possible: NAS 618 SHEET 5, ORRELANEE UREN Ti CODIMENT OF RATIONAL AEROSPACE STANDARO ExTMELT YOUNTARY. AA DOES NOL OUaLTy SUPPLIERS On Beare AEROSPACE AIAMARES NO REDRESENTA ION OM Cuan WESPECTNG TT ‘HE SUTABITY Of TEMS FOR ANY PARTICULAR APBUCNTION OM 8 THE BuSTENEE OF OR ADDLICAGILTS HEATTS OT SATAN POR ANNES 66 @ 6 JUNE 1058 @ 30 une 1986 [APPROVAL ORTE MARCHI056 REVISON G) 31 OCTSAME. PRODUCT ee REDES ALL ANTECEDENT STANOARD DRAWINGS FOR THE Et BECOME EFFECTIVE NO CATER Tan BX Noes hou fie LAST SuTe OF MPonGURe venenieneg ‘SAME PRODUCT AND sta NATIONAL AEROSPACE STANDARD ‘AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC, 1725 OE SALES STREET, MW. WASHINGTON, 0.C. 20008, {©.COPYIGIT I AEROSPACE MOUSTIIES ASSOCATION OF AMERICA NC. ALL IGHTS RESERVED a] 2. sae cxige | expe cue | SBE BEBE] cope | cope | cum | ez OF gine es rn ln ea pcos seactson eee SEN Te Serie es mae (etme sts carne era per iy of marrige seme SETed Sid ste oven mae eer op ee 0 Rit pcre mute ne et mca te eon Senne leagues oe marie BE TRE Sh eee NAS 618 sete) 2 Ieee Poa ara TRE a LE So ae a a care Sau emer SSSA i ad eC raaceuaniemeTS {APPROVAL OATE MARCH 1866 _RevSON @ 31 OCT 1956 G 1 JUNE 195 @ GO June 1906NATIONAL NAL AEROSPACE: STANDARD ‘ABROSPACE MOUSTRIES ASBOCI ‘1725 DE SALES STREET, NW, WASHINGTON, D.C. 20098 © corn om serie umes asaton or smu nis non rooree o # = "iia | oveasta amreses |" Tene” [ortitten | Sau | ee ee SSS Draws FoR THe em aN 88 MTS a AvmnovAs OaTe wARCHIBG® maven @) 31 OCT 1958 G) 18 ANE 1058 @ 3D sino 1908 g Ses ee Hf conten a Hy re ae] st[ren ye ay) bets ee ia ae [a B2 en | crm 2 in soe | un S3et > Bre ana as el re aa | BE) ae [uae 33 NAS 618 seer 7 SEE A Cs es a eee